Answer:
BIRTH RATE: The number of people being born per year
DEATH RATE: The number of people dying per year
TOTAL FERTILITY RATE: The fertility rate at a given age is the number of children born alive to women of that age during the year as a proportion of the average annual population of women of the same age.
INFANT MORTALITY RATE: The number of infants dying each year
LIFE EXPECTANCY: the average period that a person may expect to live
Explanation:
There is a device called a thermometer for that...
Answer:
scientist can tell by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes
Explanation:
Make good major heternalt
Roughly 7! 7 x 48 is 336 which is two short so maybe just say 8 to be safe.